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/* Selftest support for diagnostics.
Copyright (C) 2016-2025 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_DIAGNOSTICS_SELFTEST_CONTEXT_H
#define GCC_DIAGNOSTICS_SELFTEST_CONTEXT_H
/* The selftest code should entirely disappear in a production
configuration, hence we guard all of it with #if CHECKING_P. */
#if CHECKING_P
namespace diagnostics {
namespace selftest {
/* Convenience subclass of diagnostics::context for testing
the diagnostic subsystem. */
class test_context : public context
{
public:
test_context ();
~test_context ();
/* Implementation of diagnostics::start_span_fn, hiding the
real filename (to avoid printing the names of tempfiles). */
static void
start_span_cb (const location_print_policy &,
to_text &sink,
expanded_location exploc);
/* Report a diagnostic to this context. For a selftest, this
should only be called on a context that uses a non-standard formatter
that e.g. gathers the results in memory, rather than emits to stderr. */
bool
report (enum kind kind,
rich_location &richloc,
const metadata *,
option_id opt_id,
const char * fmt, ...) ATTRIBUTE_GCC_DIAG(6,7);
const char *test_show_locus (rich_location &richloc);
/* Setters for the context's source_printing_options
for use in selftests. */
void colorize_source (bool val)
{
get_source_printing_options ().colorize_source_p = val;
}
void show_labels (bool val)
{
get_source_printing_options ().show_labels_p = val;
}
void show_line_numbers (bool val)
{
get_source_printing_options ().show_line_numbers_p = val;
}
void show_ruler (bool val)
{
get_source_printing_options ().show_ruler_p = val;
}
void show_event_links (bool val)
{
get_source_printing_options ().show_event_links_p = val;
}
void set_caret_char (unsigned idx, char ch)
{
gcc_assert (idx < rich_location::STATICALLY_ALLOCATED_RANGES);
get_source_printing_options ().caret_chars[idx] = ch;
}
};
} // namespace selftest
} // namespace diagnostics
#endif /* #if CHECKING_P */
#endif /* GCC_DIAGNOSTICS_SELFTEST_CONTEXT_H */
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